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Did you know?
The horizontal fraction bar was introduced by the Arabs.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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People about to have surgery must tell their health care providers about all supplements they take.
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Your heart beats over 36 million times a year.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

